How many STMicroelectronics STMicroelectronics LM317 Series part numbers are listed?

10 STMicroelectronics STMicroelectronics LM317 Series part numbers are listed, each with specifications and a datasheet where available.

STMicroelectronics LM317 Series

10 variants · STMicroelectronics

About the STMicroelectronics STMicroelectronics LM317 Series series

The STMicroelectronics STMicroelectronics LM317 Series series groups 10 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. Every variant in the range shares a common control features of -, number of regulators of 1 and output configuration of Positive. Variants differ by case, current - output and current - quiescent, so you can match the exact case your application requires using the selection guide below. The range mixes active and legacy part numbers, so you can source both current STMicroelectronics LM317 Series variants and discontinued ones from a single page.

Select a variant by

Case: 8-SOIC (0.154\", 3.90mm Width) · TO-220-3 · TO-220-3 Full Pack · TO-226-3, TO-92-3 (TO-226AA) · TO-226-3, TO-92-3 (TO-226AA) Formed Leads · TO-252-3, DPak (2 Leads + Tab), SC-63 · TO-263-3, D²Pak (2 Leads + Tab), TO-263AB
Current - output: 1.5A · 100mA · 500mA
Current - quiescent: 5 mA · 10 mA · 12 mA
Mounting type: Surface Mount · Through Hole
Operating temperature: -40°C ~ 125°C · 0°C ~ 125°C · 0°C~125°C · 0°C~125°C(TJ)
Package: Bulk · Tape & Reel (TR) Cut Tape (CT) · Tape & Reel (TR); Cut Tape (CT) · Tube
PSRR: 75dB ~ 60dB (120Hz) · 80dB (120Hz) · 80dB ~ 65dB (120Hz)

Variant comparison

Parameter	LM317BT	LM317D2T-TR	LM317LD13TR	LM317LZ-AP	LM317LZ-TR	LM317MDT-TR
Case	TO-220-3	TO-263-3, D²Pak (2 Leads + Tab), TO-263AB	8-SOIC (0.154\", 3.90mm Width)	TO-226-3, TO-92-3 (TO-226AA) Formed Leads	TO-226-3, TO-92-3 (TO-226AA)	TO-252-3, DPak (2 Leads + Tab), SC-63
Current - output	1.5A	1.5A	100mA	100mA	100mA	500mA
Current - quiescent	10 mA	10 mA	5 mA	5 mA	5 mA	10 mA
Mounting type	Through Hole	Surface Mount	Surface Mount	Through Hole	Through Hole	Surface Mount
Operating temperature	-40°C ~ 125°C	0°C ~ 125°C	0°C~125°C	0°C ~ 125°C	0°C ~ 125°C	0°C~125°C(TJ)
Package	Tube	Tape & Reel (TR) Cut Tape (CT)	Tape & Reel (TR); Cut Tape (CT)	Tape & Reel (TR) Cut Tape (CT)	Tape & Reel (TR) Cut Tape (CT)	Tape & Reel (TR); Cut Tape (CT)
PSRR	80dB ~ 65dB (120Hz)	80dB ~ 65dB (120Hz)	80dB ~ 65dB (120Hz)	80dB ~ 65dB (120Hz)	80dB ~ 65dB (120Hz)	80dB ~ 65dB (120Hz)

Shared specifications

Control features: -
Number of regulators: 1
Output configuration: Positive
Output type: Adjustable
Protection features: Over Current, Over Temperature, Short Circuit
Voltage - input: 40V
Voltage - output: 37V
Voltage - output (Min (Fixed)): 1.2V
Voltage dropout: -

Request a quote on any STMicroelectronics LM317 Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.

Frequently asked questions

How do the STMicroelectronics STMicroelectronics LM317 Series variants differ?: STMicroelectronics LM317 Series part numbers differ by case, current - output, current - quiescent and mounting type. Use the selection guide above to pick by case.
How many STMicroelectronics STMicroelectronics LM317 Series part numbers are listed?: 10 STMicroelectronics STMicroelectronics LM317 Series part numbers are listed, each with specifications and a datasheet where available.
How do I get pricing and lead time for STMicroelectronics STMicroelectronics LM317 Series?: Request a quote (RFQ) for any STMicroelectronics LM317 Series part number and we confirm price, availability and lead time per line — including end-of-life and hard-to-find variants.